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HD6473434F16 参数 Datasheet PDF下载

HD6473434F16图片预览
型号: HD6473434F16
PDF下载: 下载PDF文件 查看货源
内容描述: 12伏不能应用于S -掩模模型(单电源规格) ,因为这可能会永久损坏设备。 [12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.]
分类和应用: 外围集成电路微控制器可编程只读存储器时钟
文件页数/大小: 752 页 / 2557 K
品牌: HITACHI [ HITACHI SEMICONDUCTOR ]
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Read IRIC in ICSR  
IRIC = 1?  
(1) Confirm completion of 1-  
byte transmission  
(2) Confirm that SCL is low  
Clear IRIC in ICSR  
Retransmission?  
(3) Issue retransmission  
start condition  
No  
(4) Confirm that SCL is high  
(5) Write transmit data  
Other operation  
Yes  
Note: “Read SCL” means  
reading DR for the  
SCL pin.  
Read SCL  
No  
SCL = 0?  
Yes  
Write 1 to BBSY and  
0 to SCP in ICSR  
Read SCL  
SCL = 1?  
No  
Yes  
Write data to ICDR  
Figure 13.16 Recommended Program Flow for Retransmission Start Condition Issuance  
9
SCL  
SDA  
ACK  
Bit 7  
IRIC  
(1) IRIC check (2) SCL low level  
determination  
(4) SCL high level  
determination  
(5) Transmit data setting  
(3) Retransmission start  
condition issuance  
Figure 13.17 Timing Chart for Retransmission Start Condition Issuance  
312  
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